Patents by Inventor Ryousei Kamaguchi

Ryousei Kamaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5362564
    Abstract: A seamless capsule comprising a content and a film for coating said content is disclosed. The content is an hydrophilic substance. A lower fatty acid ester of sucrose is present between the content and the film. There is also disclosed a process for producing a seamless capsule which comprises simultaneously extruding a hydrophilic substance solution, a lower fatty acid ester of sucrose and a film solution for the seamless capsule into a cooling solution from concentrically arranged nozzles, a first nozzle, a second nozzle and a third nozzle, respectively, the diameter of said nozzle gradually increasing in that order.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: November 8, 1994
    Assignee: Morishita Jintan Co., Ltd.
    Inventors: Toshiyuki Suzuki, Ryousei Kamaguchi